Gizmos & gadgets :creating science contraptions that work (& knowing why)
by Hauser, Jill Frankel, 1950-
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Summary
Provides instructions for making seventy-five contraptions that demonstrate friction, gravity, energy, motion, and other principles of physics and explains how to think like an inventor. Full description
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Other Authors
Kline, Michael P. (Illustrator)
Main Language
English
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